M4.3 Earthquake 203 km N of Saipan, Northern Mariana Islands — August 24, 2020
2020-08-24 18:15:20 UTC (2020-08-24) · approx. 4:15 AM UTC+10 local
On August 24, 2020 at 18:15 UTC, a magnitude 4.3 deep-focus earthquake struck 203 km N of Saipan, Northern Mariana Islands, at a depth of 309.1 km and coordinates 17.0253°, 145.4395°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
145.4395°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Saipan, Northern Mariana Islands?
The magnitude 4.3 earthquake that struck 203 km N of Saipan, Northern Mariana Islands on August 24, 2020 at 18:15 UTC had a depth of 309.1 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000bc60). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, August 24, 2020). M4.3 Earthquake 203 km N of Saipan, Northern Mariana Islands — August 24, 2020. Retrieved October 31, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bc60/